README for replication files;
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INITIAL DEPOSIT DATE: 09/18/2020
THIS VERSION: 09/18/2020
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ARTICLE: “Police Demilitarization and Violent Crime”
AUTHORS: Kenneth Lowande
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Replication code, data, and codebooks needed to reproduce results presented in the main text of study. Code and data for the Supplementary Information will be provided unconditionally, upon request. NOTE: Functions for exporting figures have been excluded. Please direct questions and report any errors to the author; current contact info: lowande@umich.edu
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FILE LIST:
codebook.pdf -- codebook for all variables included in each data file.
tables-figures.R -- replication code that produces all results presented in the main text.
differences.Rda -- list of shipments that are new, drop out, or show evidence of transfer from 2014-2020
main.Rda -- data file for main analysis which tracks 1033 inventories and the dependent variables
matches-latlong.Rda -- list and location of treated and matched (baseline) LEAs
q4-2014.Rda -- December 2014 inventory of controlled equipment.
q14-pretreatment.Rda -- LEA pre-treatment cross-section for producing summary figures
summarized-inventory-2014-2020.Rda -- quarterly summaries of active inventory and variation in 1033 equipment by LEA (December 2014 to March 2020)
treated-matched.Rda -- lists of matches, weights, and treatment leas (defined differently depending on the presence of bayonets and certain vehicles)
usa-shape.Rda -- fortified shape file of the continental USA (see https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-line-file.html)
allshipments-2014-2020.Rda -- complete LESO inventory records for all LEAs from December 2014 to March 2020 (NOTE: not needed to directly reproduce any figure presented in text or in the Supplementary Material; see paper for details on data collection and proper use)